Utah Valley University Herbarium


Accession # 04650 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Juncus ensifolius Wikstr.
Infraspecific    var. brunnescens (Rydb.) Cronquist
D.M. Barnes   512  
Coll. Date 08 October 2000 
United States
Utah County
Locality Tibble Fork Resevoir, American Fork Canyon.
     Elev.: 6560 ft. (2000 m.)
Habitat Notes sand bar at mouth of river. 
Climate NCDC temperatures, daily high (red), daily average (green) and daily low (blue), from 1970 to 2000 at this location.   NCDC average monthly precipitation from 1970 to 2000 at this location.
Latitude Longitude 40° 29'  6" N, 111° 39'  15" W
Township Range T4S, R3E, Sec. 7 SE 1/4  
Datum Not recorded
Uncertainty Not calculated
TRS Notes Latitude and longitude were derived from township and range information and may be
inaccurate by as much as 0.7 miles (or 4.2 miles if the section is not given).


Synonyms recognized by ITIS (bold taxon is currently accepted):

     Juncus saximontanus A. Nels.

     Juncus ensifolius var. brunnescens (Rydb.) Cronq.
     Juncus ensifolius var. montanus (Engelm.) C.L. Hitchc.
     Juncus saximontanus var. robustior M.E. Peck
     Juncus xiphioides var. macranthus Engelm.
     Juncus xiphioides var. montanus Engelm.

Common Name(s): Rocky Mountain rush.

Taxonomic Hierarchy: (ITIS TSN=39311, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Liliopsida
                        Subclass: Commelinidae
                            Order: Juncales
                                Family: Juncaceae
                                    Genus: Juncus
                                        Species: Juncus saximontanus


Available images of this specimen (click to view):
specimen image: 04650s1.jpg

Images of other samples of the same species:
specimen image: 01333s2.jpg 
specimen image: 01413s2.jpg 
specimen image: 03293s1.jpg 
specimen image: 03556s1.jpg 
specimen image: 03711s1.jpg 
specimen image: 04422s1.jpg 
specimen image: 04429s1.jpg 
specimen image: 04569s1.jpg 
specimen image: 04837s1.jpg 
specimen image: 05491s1.jpg 
specimen image: 06293s2.jpg 
specimen image: 06305s1.jpg 
specimen image: 07078s1.jpg 
specimen image: 07261s1.jpg 
specimen image: 07593s1.jpg 
specimen image: 07600s1.jpg 
specimen image: 07640s1.jpg 
specimen image: 07650s1.jpg 
specimen image: 07859s1.jpg 
specimen image: 07898s1.jpg 
specimen image: 09120f1.jpg 
specimen image: 09120s1.jpg 
specimen image: 11831c1.jpg 
specimen image: 11831d1.jpg 
specimen image: 11831s2.jpg 
specimen image: 11834d2.jpg 
specimen image: 11834s3.jpg 
specimen image: 13027s1.jpg 
specimen image: 15488s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
15336 Abies concolor      "white fir" 2929 ft. SW
15337 Abies lasiocarpa      "subalpine fir" 2929 ft. SW
15335 Acer glabrum      "Rocky Mountain maple" 2929 ft. SW
15323 Acer glabrum      "Rocky Mountain maple" 2110 ft. W
04566 Actaea rubra      "red baneberry" same section
04396 Agastache urticifolia      "nettle-leaf horse-mint" 2.2 mi. NE
04562 Agrostis stolonifera      "creeping bentgrass" same section
03840 Ambrosia psilostachya      "western ragweed" 1.4 mi. NE
03910 Aquilegia flavescens  var. flavescens   "yellow columbine" 1 mi. W
04385 Artemisia michauxiana      "Michaux's wormwood" 2.2 mi. NE
04384 Artemisia michauxiana      "Michaux's wormwood" 2.2 mi. NE
15324 Artemisia tridentata      "big sagebrush" 2110 ft. W
15326 Aster       "aster" 2110 ft. W
14929 Balsamorhiza macrophylla      "cut-leaf balsamroot" 2969 ft. N
03891 Cardamine cordifolia  var. cordifolia   "heart-leaf bittercress" 1 mi. W
03911 Cardamine pensylvanica      "Pennsylvania bittercress" 1 mi. W
04568 Carex haydeniana      "cloud sedge" same section
04402 Castilleja sulphurea      "sulphur paintbrush" 2.2 mi. NE
14777 Cercocarpus intricatus      "little-leaf mountain mahogany" 2985 ft. SW
04389 Chlorocrambe hastata      "spearhead" 2.2 mi. NE
03841 Chrysopsis zionensis      "Zion goldenaster" 1.4 mi. NE
03895 Corydalis aurea  var. occidentalis   "golden fumewort" 1 mi. W
04381 Corydalis caseana      "Sierra fumewort" 2.2 mi. NE
04383 Corydalis caseana      "Sierra fumewort" 2.2 mi. NE
04571 Cystopteris fragilis      "brittle bladder fern" same section
04387 Descurainia incisa  var. incisa  2.2 mi. NE
04644 Descurainia sophia      "flix weed" same section
15325 Epilobium       "willowherb" 2110 ft. W
04570 Epilobium brachycarpum      "tall annual willowherb" same section
03839 Epipactis gigantea      "giant helleborine" 1.4 mi. NE
04342 Eschscholzia californica      "California poppy" 1 mi. N
04386 Eucephalus engelmannii      "Engelmann's aster" 2.2 mi. NE
03836 Euphorbia dentata      "toothed spurge" 1.4 mi. NE
04394 Fritillaria atropurpurea      "leopard-lily" 2.2 mi. NE
04564 Gaillardia aristata      "common blanketflower" same section
04399 Gayophytum decipiens      "deceptive groundsmoke" 2.2 mi. NE
03892 Geum macrophyllum  var. perincisum   "large-leaf avens" 1 mi. W
04407 Geum macrophyllum  var. perincisum   "large-leaf avens" 2.2 mi. NE
04404 Habenaria hyperborea     2.2 mi. NE
04405 Habenaria hyperborea     2.2 mi. NE
04392 Hieracium scouleri      "Scouler's woolly hawkweed" 2.2 mi. NE
15293 Hydrophyllum       "waterleaf" 1670 ft. W
04649 Juncus bufonius      "toad rush" same section
04569 Juncus ensifolius  var. brunnescens  same section
03893 Lotus utahensis      "Utah bird's-foot trefoil" 1 mi. W
04391 Mimulus floribundus      "many-flowered monkeyflower" 2.2 mi. NE
03888 Mitella stauropetala  var. stenopetala   "drywoods miterwort" 1 mi. W
14775 Monardella odoratissima      "mountain monardella" same section
03889 Osmorhiza depauperata      "bluntseed sweetroot" 1 mi. W
04563 Panicum capillare      "witchgrass" same section
03907 Penstemon humilis  var. brevifolius   "short-leaf low beardtongue" 1 mi. W
03908 Penstemon humilis  var. brevifolius   "short-leaf low beardtongue" 1 mi. W
03912 Penstemon palmeri  var. palmeri   "Palmer's beardtongue" 1 mi. W
04397 Penstemon whippleanus      "Whipple's beardtongue" 2.2 mi. NE
15334 Physocarpus malvaceus      "mallow ninebark" 2929 ft. SW
15331 Picea engelmannii      "Engelmann spruce" 2110 ft. W
15330 Pinus contorta      "beach pine" 2110 ft. W
04400 Polygonum douglasii  var. douglasii  2.2 mi. NE
15333 Populus angustifolia      "narrow-leaf cottonwood" 2110 ft. W
15322 Populus angustifolia      "narrow-leaf cottonwood" 2110 ft. W
09809 Ranunculus aquatilis  var. diffusus  same section
09810 Ranunculus cymbalaria      "alkali buttercup" same section
03894 Ranunculus cymbalaria      "alkali buttercup" 1 mi. W
14776 Ribes cereum      "wax currant" 2985 ft. SW
15327 Rosa woodsii      "Woods' rose" 2110 ft. W
04395 Rumex occidentalis     2.2 mi. NE
15321 Sambucus cerulea     2110 ft. W
04565 Sambucus racemosa  var. microbotrys  same section
03838 Saponaria officinalis      "bouncingbet" 1.4 mi. NE
04572 Sedum debile      "orpine stonecrop" same section
04398 Senecio multilobatus      "lobeleaf groundsel" 2.2 mi. NE
03909 Senecio pauperculus      "balsam groundsel" 1 mi. W
04388 Senecio serra  var. serra   "tall ragwort" 2.2 mi. NE
03837 Setaria viridis      "green bristle grass" 1.4 mi. NE
15328 Solidago       "goldenrod" 2110 ft. W
15329 Solidago       "goldenrod" 2110 ft. W
04567 Solidago lepida  var. salebrosa   "rough Canada goldenrod" same section
04403 Solidago multiradiata  var. scopulorum   "low goldenrod" 2.2 mi. NE
14774 Sphaeromeria diversifolia      "separate-leaf chickensage" same section
04401 Stellaria jamesiana     2.2 mi. NE
15332 Thalictrum fendleri      "Fendler's meadow-rue" 2110 ft. W


Nearby locations from the USGS Geographic Name Information System (GNIS) database:

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Granite Flat Campground (Locale) Utah County, UT 1728 ft. N 6733  Timpanogos Cave 
Wide Hollow (Valley) Utah County, UT 1794 ft. E   Timpanogos Cave 
Deer Creek (Stream) Utah County, UT 2271 ft. SE   Dromedary Peak 
Newton Canyon (Valley) Utah County, UT 2989 ft. SE   Timpanogos Cave 
Tibble Fork Reservoir (Reservoir) Utah County, UT 2637 ft. SE 6378  Timpanogos Cave 
Tibble Fork Dam (Dam) Utah County, UT 2637 ft. SE 6378  Timpanogos Cave 
Tibble Fork (Stream) Utah County, UT 0.6 mi. SE   Timpanogos Cave 
Mile Rock Campground (Locale) Utah County, UT 0.8 mi. S 6467  Timpanogos Cave 
Tibble Fork Summer Home Area (Locale) Utah County, UT 0.8 mi. SE 6549  Timpanogos Cave 
Silver Lake Summer Home Area (Populated Place) Utah County, UT 1 mi. N 7405  Timpanogos Cave 
Mill Canyon (Valley) Utah County, UT 0.8 mi. E   Aspen Grove 
Warnick Campground (Locale) Utah County, UT 1 mi. S 6345  Timpanogos Cave 
Silver Lake Flat (Reservoir) Utah County, UT 1.1 mi. N 7481  Dromedary Peak 
Silver Lake Flat Dam (Dam) Utah County, UT 1.1 mi. N 7481  Dromedary Peak 
Silver Lake Flat (Flat) Utah County, UT 1.2 mi. N 7504  Dromedary Peak 
Martin Campground (Locale) Utah County, UT 1.4 mi. S 6316  Timpanogos Cave 
Silver Creek (Stream) Utah County, UT 1.2 mi. NE   Dromedary Peak 
Holman Flat (Flat) Utah County, UT 1.6 mi. NE 7162  Timpanogos Cave 
White Canyon (Valley) Utah County, UT 1.6 mi. NW   Timpanogos Cave 
Echo Campground (Locale) Utah County, UT 2.1 mi. S 6106  Timpanogos Cave 


Taxon Links for species Juncus ensifolius  Wikstr.

CalPhotos, Berkeley Digital Library Project

CNPS Manual of California Vegetation Database

USDA Plants database
University of Washington Herbarium: Plants of Washington (images)

Texas A&M University: Image Library (images)

Lady Bird Johnson's Wildflower Center

Google Images

External link to this species in the UVU Herbarium:

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